32 lines
1 KiB
Rust
32 lines
1 KiB
Rust
// Copyright 2016 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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// This is a regression test for a problem encountered around upvar
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// inference and trait caching: in particular, we were entering a
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// temporary closure kind during inference, and then caching results
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// based on that temporary kind, which led to no error being reported
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// in this particular test.
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fn main() {
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let inc = || {};
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inc();
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fn apply<F>(f: F) where F: Fn() {
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f()
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}
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let mut farewell = "goodbye".to_owned();
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let diary = || { //~ ERROR E0525
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farewell.push_str("!!!");
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println!("Then I screamed {}.", farewell);
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};
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apply(diary);
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}
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